diff --git a/reference/pgsql/functions/pg-unescape-bytea.xml b/reference/pgsql/functions/pg-unescape-bytea.xml
index 3a9857858c..c9cfdc361b 100644
--- a/reference/pgsql/functions/pg-unescape-bytea.xml
+++ b/reference/pgsql/functions/pg-unescape-bytea.xml
@@ -99,7 +99,7 @@
      </thead>
      <tbody>
       <row>
-       <entry>5.5.2</entry>
+       <entry>5.5.1</entry>
        <entry>
         A warning is thrown if the input string is invalid.
        </entry>